Quote:
Originally Posted by Boydness
Thanks for all the information.
I am pretty sure that it is attributed to back pressure with the exhaust. The exhaust is not a complete factory 2-1-2 system, so I presume that the back pressure could not possibly be correct for the original EGR valve.
I was intending to replace the system with a true dual system, so what would I need to do with the EGR then?
Leave the EGR as it is and make friends with the warning light?
Or is there some way that I replace the EGR to be correct for a dual system?
I was sweating the warning light being on, but now that I understand it fully, I am less concerned with it.
Steven
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Very old thread.....But was wondering if anyone found the answer to this? I have the same situation. No light. Installed true duals (with H-pipe) and now the light pops on. Pulled the EGR and it looked perfect (35K mile truck). Replaced the EGR any way and the light still comes on so I'm assuming its a back pressure issue. Is there any fix to this other than getting a new chip with this EGR check deleted? Thanks in advance.
Rob